Changeset 82313 in vbox for trunk/src/VBox/VMM/include/IOMInline.h

Timestamp:

Dec 1, 2019 3:38:40 AM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

135137

Message:

IOM,PDMDevHlp: Kicked out the old MMIO code. bugref:9218

File:

• trunk/src/VBox/VMM/include/IOMInline.h (modified) (1 diff)

trunk/src/VBox/VMM/include/IOMInline.h

@@ -255 +255 @@
 #endif
 
-
-/**
- * Gets the MMIO range for the specified physical address in the current context.
- *
- * @returns Pointer to MMIO range.
- * @returns NULL if address not in a MMIO range.
- *
- * @param   pVM     The cross context VM structure.
- * @param   pVCpu   The cross context virtual CPU structure of the calling EMT.
- * @param   GCPhys  Physical address to lookup.
- */
-DECLINLINE(PIOMMMIORANGE) iomMmioGetRange(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys)
-{
-    Assert(IOM_IS_SHARED_LOCK_OWNER(pVM));
-    PIOMMMIORANGE pRange = pVCpu->iom.s.CTX_SUFF(pMMIORangeLast);
-    if (    !pRange
-        ||  GCPhys - pRange->GCPhys >= pRange->cb)
-        pVCpu->iom.s.CTX_SUFF(pMMIORangeLast) = pRange
-            = (PIOMMMIORANGE)RTAvlroGCPhysRangeGet(&pVM->iom.s.CTX_SUFF(pTrees)->MMIOTree, GCPhys);
-    return pRange;
-}
-
-/**
- * Retain a MMIO range.
- *
- * @param   pRange  The range to release.
- */
-DECLINLINE(void) iomMmioRetainRange(PIOMMMIORANGE pRange)
-{
-    uint32_t cRefs = ASMAtomicIncU32(&pRange->cRefs);
-    Assert(cRefs > 1);
-    Assert(cRefs < _1M);
-    NOREF(cRefs);
-}
-
-
-/**
- * Gets the referenced MMIO range for the specified physical address in the
- * current context.
- *
- * @returns Pointer to MMIO range.
- * @returns NULL if address not in a MMIO range.
- *
- * @param   pVM     The cross context VM structure.
- * @param   pVCpu   The cross context virtual CPU structure of the calling EMT.
- * @param   GCPhys  Physical address to lookup.
- */
-DECLINLINE(PIOMMMIORANGE) iomMmioGetRangeWithRef(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys)
-{
-    int rc = IOM_LOCK_SHARED_EX(pVM, VINF_SUCCESS);
-    AssertRCReturn(rc, NULL);
-
-    PIOMMMIORANGE pRange = pVCpu->iom.s.CTX_SUFF(pMMIORangeLast);
-    if (   !pRange
-        || GCPhys - pRange->GCPhys >= pRange->cb)
-        pVCpu->iom.s.CTX_SUFF(pMMIORangeLast) = pRange
-            = (PIOMMMIORANGE)RTAvlroGCPhysRangeGet(&pVM->iom.s.CTX_SUFF(pTrees)->MMIOTree, GCPhys);
-    if (pRange)
-        iomMmioRetainRange(pRange);
-
-    IOM_UNLOCK_SHARED(pVM);
-    return pRange;
-}
-
-
-/**
- * Releases a MMIO range.
- *
- * @param   pVM     The cross context VM structure.
- * @param   pRange  The range to release.
- */
-DECLINLINE(void) iomMmioReleaseRange(PVMCC pVM, PIOMMMIORANGE pRange)
-{
-    uint32_t cRefs = ASMAtomicDecU32(&pRange->cRefs);
-    if (!cRefs)
-        iomMmioFreeRange(pVM, pRange);
-}
-
-
-#ifdef VBOX_STRICT
-/**
- * Gets the MMIO range for the specified physical address in the current context.
- *
- * @returns Pointer to MMIO range.
- * @returns NULL if address not in a MMIO range.
- *
- * @param   pVM     The cross context VM structure.
- * @param   pVCpu   The cross context virtual CPU structure of the calling EMT.
- * @param   GCPhys  Physical address to lookup.
- */
-DECLINLINE(PIOMMMIORANGE) iomMMIOGetRangeUnsafe(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys)
-{
-    PIOMMMIORANGE pRange = pVCpu->iom.s.CTX_SUFF(pMMIORangeLast);
-    if (    !pRange
-        ||  GCPhys - pRange->GCPhys >= pRange->cb)
-        pVCpu->iom.s.CTX_SUFF(pMMIORangeLast) = pRange
-            = (PIOMMMIORANGE)RTAvlroGCPhysRangeGet(&pVM->iom.s.CTX_SUFF(pTrees)->MMIOTree, GCPhys);
-    return pRange;
-}
-#endif /* VBOX_STRICT */
-
-
-#ifdef VBOX_WITH_STATISTICS
-/**
- * Gets the MMIO statistics record.
- *
- * In ring-3 this will lazily create missing records, while in GC/R0 the caller has to
- * return the appropriate status to defer the operation to ring-3.
- *
- * @returns Pointer to MMIO stats.
- * @returns NULL if not found (R0/GC), or out of memory (R3).
- *
- * @param   pVM         The cross context VM structure.
- * @param   pVCpu       The cross context virtual CPU structure of the calling EMT.
- * @param   GCPhys      Physical address to lookup.
- * @param   pRange      The MMIO range.
- *
- * @remarks The caller holds the IOM critical section with shared access prior
- *          to calling this method.  Upon return, the lock has been released!
- *          This is ugly, but it's a necessary evil since we cannot upgrade read
- *          locks to write locks and the whole purpose here is calling
- *          iomR3MMIOStatsCreate.
- */
-DECLINLINE(PIOMMMIOSTATS) iomMmioGetStats(PVM pVM, PVMCPU pVCpu, RTGCPHYS GCPhys, PIOMMMIORANGE pRange)
-{
-    Assert(IOM_IS_SHARED_LOCK_OWNER(pVM));
-
-    /* For large ranges, we'll put everything on the first byte. */
-    if (pRange->cb > PAGE_SIZE)
-        GCPhys = pRange->GCPhys;
-
-    PIOMMMIOSTATS pStats = pVCpu->iom.s.CTX_SUFF(pMMIOStatsLast);
-    if (    !pStats
-        ||  pStats->Core.Key != GCPhys)
-    {
-        pStats = (PIOMMMIOSTATS)RTAvloGCPhysGet(&pVM->iom.s.CTX_SUFF(pTrees)->MmioStatTree, GCPhys);
-# ifdef IN_RING3
-        if (!pStats)
-        {
-            IOM_UNLOCK_SHARED(pVM);
-            return iomR3MMIOStatsCreate(pVM, GCPhys, pRange->pszDesc);
-        }
-# endif
-    }
-
-    IOM_UNLOCK_SHARED(pVM);
-    return pStats;
-}
-#endif /* VBOX_WITH_STATISTICS */
-
-
 /** @}  */